baber/WOPTO huggingface dataset:
Patent JP-2004179057-A (JP)
Title: Tightening structure of solid polymer fuel cell stack
Inventor: KAWANABE TAKASHI
IPC: H01M8/10
Filed: 2002-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To realize a tightening structure of a solid polymer fuel cell stack with high reliability and excellent power generating efficiency by applying a uniform compression load within a plane in a simple structure on a stack laminated with cells.  <P>SOLUTION: A pair each of collector plates 21, insulators 23, end plates 24, and, at an outermost side, tie plates 25 divided into two at one side are arranged in that order toward outside with a stack part 20 laminating the cells at the center, which are tightened with a tie rod fitted between the pair of the tie plates 25, and are integrated in a state with the compression load applied.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004180169-A (JP)
Title: Lighting device and monitoring system
Inventor: OGAWA MASAHIRO
IPC: H04N5/225
Filed: 2002-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To monitor a plurality of places at a low cost.  <P>SOLUTION: This system comprises a plurality of lighting devices 10a to 10g, a portable communication device 20, which receives photographing data transmitted by the devices 10a to 10g and records them in a readable state, and an alarm device 30, which receives a detection result transmitted by cable by the lighting devices 10a to 10g on an invasion of a mobile unit and outputs an alarm by identifying the lighting device concerned, based on the received result. The lighting device 10 comprises a luminaire 11, an image sensor camera 12 which photographs the mobile unit, when it detects intrusion in an area covered by lighting, and a fixing communication part 13, which transmits the photographic data to the portable communication device 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004186727-A (JP)
Title: Portable terminal
Inventor: ENDO TAKASHI
IPC: H04W88/02
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable terminal capable of omitting useless connection to an authenticating station by automatically authenticating received data, when receiving various types of data via a wireless communication path.  <P>SOLUTION: A signature authenticating section 6 decrypts the electronic signature of received information by a public key to authenticate the data. When the authentication is successfully executed by the section 6, i.e., it is confirmed that the received information has been provided with the authentic signature of an information provider and the information has not been falsified, a display data generating section 4 generates display enabled data.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004183228-A (JP)
Title: Side ditch body and side ditch lid
Inventor: HIRATA JUNICHI
IPC: E03F5/04
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a side ditch body and a side ditch lid capable of controlling the occurrence of a noise resulting from collision between the side ditch lid and the side ditch body or between both side ditch lids.  <P>SOLUTION: The side ditch lid 3 put on an upper opening section 6 of the side ditch body 2 and opposing the end face 11 in the longitudinal direction L to an inside erected surface 8 of the side ditch body 2 is equipped with a projection section 12 formed in the lower part of the end face 11 and projected to the opposite inside erected surface 8 side. When the side ditch lid 3 is put on the side ditch body 2, the front end of the projection section 12 is about abutted on the inside erected surface 8. Accordingly, the oscillation and the shift of the side ditch lid 3 with the passage of a vehicle can be controlled.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004184556-A (JP)
Title: Image forming apparatus
Inventor: MIYABORI TORU
IPC: G03G21/00
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus in which correct measurements are provided to a process control section and which is free from causing image failure because of image stabilization and reduction of defects by feedback from the process control section.  <P>SOLUTION: The image forming apparatus comprises a surface potential sensor 42 disposed near a surface of a photoreceptor drum 21 and capable of measuring the surface potential of one dot or a plurality of dots written on the drum 21 after the drum 21 is charged and subjected to exposure/writing by a digital system.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004130294-A (JP)
Title: Water cleaning device and water cleaning method using the same
Inventor: OGAWA TETSUJI
IPC: C02F1/46
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water cleaning device which can clean water to be treated with high efficiency by impressing alternating-current voltage and direct-current voltage at the same time, and a water purifying method using the water purifying device.  <P>SOLUTION: The water cleaning device 1 mainly comprises an alternating-current power supply 2, a direct-current power supply 5, and three electrodes (first to third electrodes 7a-7c). The alternating-current voltage is impressed between the second electrode 7b and the third electrode 7c, and the direct-current voltage is impressed between the first electrode and the second electrode and between the first electrode and the third electrode. As the alternating-current voltage and the direct-current voltage can be impressed simultaneously between the three electrodes (the first to third electrodes 7a-7c) dipped in the water W to be treated, a water cleaning action caused by the influence of the alternating-current voltage and a water cleaning action caused by the influence of the direct-current voltage are applied to the water W at the same time. As a result, the water W can be electrolyzed with high efficiency to be cleaned.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004186304-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: OTA YOSHIFUMI
IPC: H01L21/82
Filed: 2002-12-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a crack in a protective film generated by a molten fuse from extending to another fuse.  <P>SOLUTION: The protective film 3 between the fuses 2a-2c arranged in parallel with a predetermined interval H1 are provided with slits 4a, 4b.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004184612-A (JP)
Title: Optical element, lighting device, and projection display apparatus
Inventor: MATSUBARA TAKAYUKI
IPC: F21S2/00
Filed: 2002-12-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical element of simple constitution capable of leading incident light out as light which has a uniform illuminance distribution and is collimated.  <P>SOLUTION: The optical element 1 has a light incidence surface 3 and a light projection surface 4 and is equipped with a rod lens 2 which guides the light incident from the light incidence surface 3 to the light projection surface 4, which is processed to collimate the projection light.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004185965-A (JP)
Title: Battery connecting member
Inventor: KOSUGE HIDEJI
IPC: H01R13/68
Filed: 2002-12-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a battery connecting member which prohibits a worker from replacing a fuse without releasing a connection to a battery post.  <P>SOLUTION: A base part 2 having a fuse box 13 for housing a fuse 10, and a case part 3 for housing the base part 2 are formed on a battery connecting member 1. A battery terminal 7, bus bars 8A, 8B, and the fuse box 13 are formed on the base part 2. In the case part 3, a work space closing part 17 is formed in a box housing part 15 for housing the fuse box 13 along the direction for replacing the fuse box 13. This does not permit the worker to replace the fuse 10, if the battery connecting member 1 is not removed from a battery 5, and attaching the case part 3 to the base part 2 is not released.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004181495-A (JP)
Title: Method for calculating solidified shell thickness of cast slab and method for continuously casting cast slab
Inventor: KITADA HIROSHI
IPC: G06Q50/04
Filed: 2002-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for calculating a solidified shell thickness of a cast slab with which solid phase ratio for reducing center segregation is <1, and a method for continuously casting the cast slab with which non-solidified portion of the cast slab is roll-reduced based on the solidified shell thickness calculated with this method.  <P>SOLUTION: A relation between the growing speed of the solidified shell thickness of the cast slab 4 and the solidified shell thickness is pre-obtained with a heat-transfer model equation in each set assembling plurality of three kinds of the component concentrations of molten steel 10, the thickness of the cast slab 4 and the overheating degree of the molten steel 1a. Successively, the various concentrations of the molten steel 1a related to the operation of the practical continuous casting, the thickness of the cast slab 4 and the overheating degree of the molten steel 1a are obtained. The solidified shell thickness having <1 solid-phase ratio at the optional position of a strand 5, is calculated based on the relation between the growing speed of the solidified shell thickness pre-obtained in the set of the various concentrations of the molten steel 1a, the thickness of the cast slab 4 and the overheating degree of the molten steel 1a, and the cast slab 4 is roll-reduced with the rolling-reduction rolls 7, 7 based on the calculated solidified shell thickness.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003255111-A (JP)
Title: Method for manufacturing reflection type light diffuser
Inventor: WEI CHUNG KUANG
IPC: G02F1/1335
Filed: 2002-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a reflection type light diffuser which can effectively suppress the directivity and diffusivity of a reflected light beam so that they are not excessively large and reduce the cost by simplifying manufacturing processes.  <P>SOLUTION: The method for manufacturing the reflection type light diffuser which includes a substrate, a resist layer, and a reflective metal layer and diffuses incident light includes the steps for: preparing a substrate which has a pixel matrix array formed on its surface, the pixel matrix array having a plurality of adjacent pixel areas each of which has two parallel opposite side edge parts; forming on the substrate (60) a resist layer where a resist pattern including a slit structure (70) positioned at the side edge of the pixel areas and a plurality of bump structures (72) positioned in the pixel areas is formed through processes of exposure using a photomask and development; and forming the reflective metal layer (74) on the resist pattern.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004189368-A (JP)
Title: Paper discharge device
Inventor: SOGA TATSUYA
IPC: B65H29/22
Filed: 2002-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper discharge device capable of preventing a stripe-like image defect by rubbing or slippage caused when discharging a paper.  <P>SOLUTION: This paper discharge device comprises a rotating shaft 6 rotating in a predetermined direction, a plurality of discharge rolls 1 pivotally fixed to the rotating shaft and rotating with the rotating shaft, and a plurality of rotatable opposed rolls 2 which make contact with any one of the discharge rolls to form a nip part 8. The rotating shaft 6 is provided with a plurality of driven rolls 5 larger in diameter than the discharge roll 1, which are supported to be rotatable relative to the rotating shaft 1 independently from the discharge rolls 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004220783-A (JP)
Title: Induction heating device
Inventor: FUJITA ATSUSHI
IPC: H05B6/06
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To alleviate switching loss and noise of a switching element and further make it easy to increase power.  <P>SOLUTION: The device is provided with first and second switching elements 31, 32, an induction heating coil 36, and a resonant capacitor 37 connected to a high-frequency inverter 33, a third diode 39 and a snubber capacitor 40 connected in parallel with the switching elements 31, 32, a coil 42 and a third switching element 43 connected in parallel with the snubber capacitor and a fourth diode 44 connecting a contact point of the coil 42 and the switching element and a high-voltage side of an inverter power source. Alleviation of the switching loss and noise as well as increasing of power is easily made by conducting electricity to the switching element 43 during a conduction period of the switching element 31 or 32 and discharging electric charge of the snubber capacitor 40.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004193909-A (JP)
Title: Surface mount quartz oscillator
Inventor: ONO KOZO
IPC: H03H9/02
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface mount quartz oscillator which is made more small-sized, keeps a vibration characteristic and shock resistance excellent, and is made easy to design.  <P>SOLUTION: The surface mount quartz oscillator is constituted by tightly charging a crystal piece in a container with an external terminal. The container comprises a flat plate type silicon substrate which internally has a couple of crystal terminals to be connected to an external terminal for surface mounting and a dented glass with movable ions and the silicon substrate and glass are anode-joined. The crystal terminal is a polysilicon (P+Si) layer provided on the surface of the silicon substrate and electrically connected to the external terminal by forming an electrode through hole in the reverse surface of the polysilicon layer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004190776-A (JP)
Title: Bearing device using magnetic viscous fluid
Inventor: IWATA SETSUO
IPC: F16F15/023
Filed: 2002-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bearing device allowing the simplification of a bearing structure and a reduction in the installation space when supporting a structure so as to enable to suppress vibration.  <P>SOLUTION: This bearing device comprises a first vibration control device 3 installed in a bridge beam 1 and capable of developing vibration control function in a vertical direction and a second vibration control device 4 installed in a bridge pier 2 and capable of developing vibration control function in a horizontal direction. The first vibration control device uses a single rod fluid pressure cylinder 11 allowing magnetic viscous fluid F to pass through a communication passage 14 in which a first electromagnet 15 is installed. The second vibration control device comprises a box-shaped member 21 in which a space chamber 22 is formed and a moving member 24 supported in the space chamber through steel balls 23 movably in a horizontal direction and forming an annular side space part 27 by a flange part 24 and a space chamber inner wall surface. The magnetic viscous fluid F is filled in the side space part, and a second electromagnet 25 is installed to provide magnetism to the magnetic viscous fluid.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004192978-A (JP)
Title: Vehicle headlight
Inventor: TSUKAMOTO HIROTOKU
IPC: F21Y101/00
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle headlight housing a clearance lamp unit together with a reflector unit in a light chamber in which a reflection face of the reflector looks shiny as a whole even if a light emitting diode is used as a light source of the clearance lamp unit.  <P>SOLUTION: The clearance lamp unit 18 comprises the light emitting diode 32 as a structural element of the reflector unit 16 arranged in the vicinity of the reflector 24, a socket 34 supporting the light emitting diode at the tip part, and a translucent cap 36 mounted on the tip part of the socket so as to cover the light emitting diode 32. A reflection face 36a, reflecting the incident light from the light emitting diode 32 toward the reflection face 24a of the reflector 24, is arranged at the tip part of the translucent cap 36. By the above, the light from the light emitting diode 32 having strong directivity is enabled to become evenly incident on almost whole area of the reflection face 24a of the reflector 32.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004191235-A (JP)
Title: Metal detector for tire
Inventor: KATO KAZUHIKO
IPC: G08C23/02
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a metal detector for tire that detects a small metallic piece, such as a nail etc., stuck in a tire fitted to a vehicle, without being affected by a large metallic body, such as the tire wheel, car body, etc.  <P>SOLUTION: This metal detector is provided with an elliptic hollow coil 4 which is a detecting sensor. The coil 4 is made to correspond to a steel wire-made belt layer in the tire making the detecting depth of the detector shallow, by making the length of the coil 4 in the lengthwise direction longer according to the width dimension of the tread of the tire, and the length of the coil 4 in the widthwise direction shorter. In addition, the surface of one detection section of the coil 4 is formed in a detection surface 2a and, at the same time, locations other than that the detecting surface 2a of the detection section is shielded with a flat box-shaped magnetic shielding plate 5.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004188036-A (JP)
Title: Dental mirror
Inventor: NAITO MASAFUMI
IPC: A61B1/06
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem in dental checkup in school or the other facilities, not in a hospital enough provided with a light source device that it is difficult to secure a light source, so dentists suffer great inconvenience from the use of a small-sized light or a pen light.  <P>SOLUTION: In this dental mirror, the end part of a grip handle 1 is provided with a bent part 2 bent at a desired angle, and a stomatoscope 3 is mounted on the bent part 2, and an LED 4 as a light emitting element is mounted on a part where the stomatoscope 3 and the bent part 2 are connected. In the inside of the grip handle 1, a piezoelectric material 5 is mounted, and a pressing member 6 is mounted to project from the handle grip 1 opposite to the piezoelectric material 5, and the piezoelectric material 5 and the LED 4 are connected to each other by a lead wire 7.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004188040-A (JP)
Title: Opening operation part holding device for medical vessel
Inventor: SAKAGUCHI ITARU
IPC: A61J1/14
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an opening operation part holding device for a medical vessel capable of holding a cut opening operation part of a medical vessel.  <P>SOLUTION: The opening operation part holding device 1 for a medical vessel 60 is used for a medical vessel 60 comprising a medicine vessel 70 having a medicine storing part 71, an opening operation part 73 extending inward of the medical vessel, and a breakable part 72 provided between the medicine storing part and the opening operation part 73. The opening operation part holding device 1 comprises an operation part holding section 4 for holding the cut opening operation part 73 from the outside of the medical vessel 60 and an attaching section for attaching the opening operation part holding device 1 to the medical vessel 60.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004188052-A (JP)
Title: Bed sheet
Inventor: SANO SHINJI
IPC: D04H1/492
Filed: 2002-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide bed sheets that are good in moisture absorbing capacity, with small sense of reverse leakage when used, and with good reusability.  <P>SOLUTION: The bed sheets are provided with a fabric water penetration layer and a penetrated water retaining layer made of fiber as the composing material. The water penetration layer is composed of primary structural fibers having different fineness in the thickness direction and part of the penetration layer in contact with the water retaining layer is composed of relatively fine fibers. The primary fibers that composes the penetrated water retaining layer is made of synthetic fiber of average fineness of 0.01 to 2 dtex.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004188564-A (JP)
Title: Blank member manufacturing device
Inventor: ENDO NOBORU
IPC: B23D15/04
Filed: 2002-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blank member manufacturing device capable of efficiently cutting blank members to improve the yield of press-molded products.  <P>SOLUTION: Blades parts 20a and 21a of a lower blade 20 and an upper blade 21 of a shearing machine 12 to cut plate material 101 in prescribed length in order to form the blank members 100 are composed of edge parts having comb-teeth irregularities. With the blade parts 20a and 21a, comb-teeth irregularity parts 100c are formed in non-machined ranges 100b of edge side parts when the blank members 100 are formed. Part of necessary material for the non-machined ranges 100b cut from the plate material 101a is commonly used. By securing the length of the non-machined range 100b necessary for press work by the irregularity part 100, yield can be improved by improvement in use efficiency of the plate material 101a, and improve yield of the press-molded products 110 simultaneously.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004199890-A (JP)
Title: Exposure device for forming fluorescent screen of color cathode-ray tube, and color cathode-ray tube
Inventor: KOBAYASHI YASUHIRO
IPC: H01J9/227
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To control variations in hole sizes and suppress a protrusion phenomenon by always making a rotation center of a hole corrective filter be present on a straight line connecting a front panel center to a light source.  <P>SOLUTION: A rotation center L'<SB>1</SB>of the hole corrective filter 3 is adjusted so as to be positioned on a straight line L<SB>2</SB>connecting a center of a front panel 6 to the light source 1 by moving the filter 3 in XY directions in synchronization with a position adjusting action of the front panel 6 by an XY planar guide. Thereby, a BGR (band gap regulator) is exposed exactly at a prescribed position on a surface of the front panel 6 to be coated with a phosphor.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004195566-A (JP)
Title: Cutter
Inventor: KONDO MASAKI
IPC: B23D45/16
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To juxtapose a nozzle and a grip even in a narrow space.  <P>SOLUTION: The front grip 16 is arranged on the front side of a body 2, and is integrally connected to a connecting arm 5 by screwing a screw 20 penetrating through a cutout 19 in the connecting arm 5 by fitting a projecting part 18 to a recessed groove 17 of the connecting arm 5. A grip part 21 is formed on the upper end of the front grip 16. While, a cylindrical nozzle part 22 composed of a dust collecting port 23 opening on the peripheral edge side of a saw blade 4 and a discharge port 24 communicating with the dust collecting port 23, is integrally formed on the lower end of the front grip 16.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004195321-A (JP)
Title: Soil or ground water treatment method
Inventor: MURASAWA KOICHIRO
IPC: B09C1/10
Filed: 2002-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a soil or ground water treatment method for avoiding secondary pollution effectively by fixing a carbon source at a soil or ground water position as a solid to supply carbon by minute quantity over a long period of time.  <P>SOLUTION: The representative constitution of the soil or ground water treatment method is set so that soil is excavated while adding the carbon source of which the melting or coagulation point is between the temperature above the ground and the temperature of soil and the added carbon source is mechanically stirred continuously. The carbon source solid on the ground and insoluble in water is a 12C or more alcohol or an ester of a 16C or more fatty acid and glycerine.  <P>COPYRIGHT: (C)2004,JPO&NCIPI